<!DOCTYPE html>
<html xmlns:v-bind="http://www.w3.org/1999/xhtml" xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Vue.js 切换不同显示布局</title>
    <script src="../../js/vue.js"></script>
  <style>
    /* 隐藏未编译的变量 */

    [v-cloak] {
      display: none;
    }

    *{
      margin:0;
      padding:0;
    }

    body{
      font:15px/1.3 'Open Sans', sans-serif;
      color: #5e5b64;
      text-align:center;
    }

    a, a:visited {
      outline:none;
      color:#389dc1;
    }

    a:hover{
      text-decoration:none;
    }

    section, footer, header, aside, nav{
      display: block;
    }

    /*-------------------------
    	搜索框
    --------------------------*/

    .bar{
      background-color:#5c9bb7;

      background-image:-webkit-linear-gradient(top, #5c9bb7, #5392ad);
      background-image:-moz-linear-gradient(top, #5c9bb7, #5392ad);
      background-image:linear-gradient(top, #5c9bb7, #5392ad);

      box-shadow: 0 1px 1px #ccc;
      border-radius: 2px;
      width: 580px;
      padding: 10px;
      margin: 45px auto 25px;
      position:relative;
      text-align:right;
      line-height: 1;
    }

    .bar a{
      background:#4987a1 center center no-repeat;
      width:32px;
      height:32px;
      display:inline-block;
      text-decoration:none !important;
      margin-right:5px;
      border-radius:2px;
      cursor:pointer;
    }

    .bar a.active{
      background-color:#c14694;
    }

    .bar a.list-icon{
      background-image:url();
    }

    .bar a.grid-icon{
      background-image:url();
    }

    .bar input{
      background:#fff no-repeat 13px 13px;

      border: none;
      width: 100%;
      line-height: 19px;
      padding: 11px 0;

      border-radius: 2px;
      box-shadow: 0 2px 8px #c4c4c4 inset;
      text-align: left;
      font-size: 14px;
      font-family: inherit;
      color: #738289;
      font-weight: bold;
      outline: none;
      text-indent: 40px;
    }

    /*-------------------------
    	列表布局
    --------------------------*/

    ul.list{
      list-style: none;
      width: 500px;
      margin: 0 auto;
      text-align: left;
    }

    ul.list li{
      border-bottom: 1px solid #ddd;
      padding: 10px;
      overflow: hidden;
    }

    ul.list li img{
      width:120px;
      height:120px;
      float:left;
      border:none;
    }

    ul.list li p{
      margin-left: 135px;
      font-weight: bold;
      color:#6e7a7f;
    }

    /*-------------------------
    	网格布局
    --------------------------*/

    ul.grid{
      list-style: none;
      width: 570px;
      margin: 0 auto;
      text-align: left;
    }

    ul.grid li{
      padding: 2px;
      float:left;
    }

    ul.grid li img{
      width:280px;
      height:280px;
      object-fit: cover;
      display:block;
      border:none;
    }
  </style>

</head>
<body>

<form id="main" v-cloak>

  <div class="bar">

    <!-- 两个按钮用于切换不同的列表布局 -->

    <a class="list-icon" v-bind:class="{ 'active': layout == 'list'}" v-on:click="layout = 'list'"></a>
    <a class="grid-icon" v-bind:class="{ 'active': layout == 'grid'}" v-on:click="layout = 'grid'"></a>
  </div>

  <!-- 我们设置了两套布局页面。使用哪套依赖于 "layout" 绑定 -->

  <ul v-if="layout == 'grid'" class="grid">
    <!-- 使用大图，没有文本 -->
    <li v-for="a in articles">
      <a v-bind:href="a.url" target="_blank"><img v-bind:src="a.image.large" /></a>
    </li>
  </ul>

  <ul v-if="layout == 'list'" class="list">
    <!-- 使用小图及标题 -->
    <li v-for="a in articles">
      <a v-bind:href="a.url" target="_blank"><img v-bind:src="a.image.small" /></a>
      <p>{{a.title}}</p>
    </li>
  </ul>

</form>
<script>

  var demo = new Vue({
    el: '#main',
    data: {
      // 视图模型，可能的值是 "grid" 或 "list"。
      layout: 'grid',

      articles: [{
        "title": "HTML 教程",
        "url": "https://www.runoob.com/html/html-tutorial.html",
        "image": {
          "large": "https://static.runoob.com/images/mix/htmlbig.png",
          "small": "https://static.runoob.com/images/icon/html.png"
        }
      },
        {
          "title": "CSS 教程",
          "url": "https://www.runoob.com/css/css-tutorial.html",
          "image": {
            "large": "https://static.runoob.com/images/mix/cssbig.png",
            "small": "https://static.runoob.com/images/icon/css.png"
          }
        },
        {
          "title": "JS 教程",
          "url": "https://www.runoob.com/js/js-tutorial.html",
          "image": {
            "large": "https://static.runoob.com/images/mix/jsbig.jpeg",
            "small": "https://static.runoob.com/images/icon/js.png"
          }
        },
        {
          "title": "SQL  教程",
          "url": "https://www.runoob.com/sql/sql-tutorial.html",
          "image": {
            "large": "https://static.runoob.com/images/mix/sqlbig.png",
            "small": "https://static.runoob.com/images/icon/sql.png"
          }
        },
        {
          "title": "Ajax 教程",
          "url": "https://www.runoob.com/ajax/ajax-tutorial.html",
          "image": {
            "large": "https://static.runoob.com/images/mix/ajaxbig.png",
            "small": "https://static.runoob.com/images/icon/ajax.png"
          }
        },
        {
          "title": "Python 教程",
          "url": "https://www.runoob.com/pyhton/pyhton-tutorial.html",
          "image": {
            "large": "https://static.runoob.com/images/mix/pythonbig.png",
            "small": "https://static.runoob.com/images/icon/python.png"
          }
        }]

    }
  });

</script>
</body>
</html>
